Pull up following revision(s) (requested by khorben in ticket #447):
sys/dev/usb/usb_subr.c: revision 1.222
Be more defensive towards malicious USB devices
This avoids potential panics due to 0-sized memory allocation attempts,
which could be triggered by malicious USB devices.
Tested on NetBSD/amd64 with a Sony Xperia X (SailfishOS).
Based on an initial patch by Nick Hudson <skrll@NetBSD.org>, thanks!
Fixes PR kern/52383.

(snj)